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Displaying from Saturday, December 08, 2018
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February 2019
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Friday 01 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Cai Heng Li, 4pm Feb 01
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Speaker: Cai Heng Li (Southern University of Science and Technology, Shenzhen, PRC)
Title: Erdös-Ko-Rado Problem for Permutation Groups
Time and place: 4pm Friday 01 Feb 2019, Weatherburn LT
Abstract: A classical result of Erdös-Ko-Rado in extremal set theory (...)
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Tuesday 12 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Mariagrazia Bianchi, 4pm Feb 12
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Speaker: Mariagrazia Bianchi (Università degli Studi di Milano)
Title: Conjugacy class sizes in finite groups: variations on the theme
Time and place: 4pm Tuesday 12 Feb 2019, Weatherburn LT
Abstract: The study of conjugacy class sizes goes back to the beginning (...)
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Friday 15 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Gabriel Verret, 4pm Feb 15
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Speaker: Gabriel Verret (University of Auckland)
Title: An update on the Polycirculant Conjecture
Time and place: 4pm Friday 15 Feb 2019, Robert Street LT
Abstract: One version of the Polycirculant Conjecture is that every finite vertex-transitive digraphs admits a (...)
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Thursday 21 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Particle modelling applied to industrial and biophysical problems
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Particle methods have capabilities that particularly suit numerical simulation of complex phenomena involved in industrial and biophysical application domains. The two core methods used in this talk are DEM (Discrete Element Method) and SPH (Smoothed Particle Hydrodynamics). Coupling of these (...)
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March 2019
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Friday 08 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Calin Borceanu, 4pm March 08 in Weatherburn LT
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Speaker: Calin Borceanu (UWA)
Title: Searching for partial congruence partitions in groups of order p^8
Time and Place: 4pm Friday 08 Mar 2019, Weatherburn LT
Abstract: A partial congruence partition (or PCP) of a group is defined simply
as a set of pairwise (...)
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Tuesday 12 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Sabina Pannek, 4pm March 12
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Speaker: Sabina Pannek
Title: Elements with large irreducible submodules contained in maximal subgroups of the general linear group
Time and place: 4pm Tuesday 12 Mar 2019, Blakers LT
Abstract: We refer to an element of the finite general linear group GL(V) as being (...)
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April 2019
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Friday 12 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Michael Giudici, 4pm Apr 12 in Weatherburn LT
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Speaker: Michael Giudici (University of Western Australia)
Title: Arc-transitive bicirculants
Time and place: 4pm Friday 12 Apr 2019, Weatherburn LT
Abstract: A graph on 2n vertices is a bicirculant if it admits an automorphism that is a permutation with two cycles (...)
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Wednesday 17 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Martin Liebeck, 4pm Apr 17 in Woolnough LT
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Speaker: Martin Liebeck (Imperial College London)
Title: Girth, words and diameters of Cayley graphs
Time and place: 4pm Wednesday 17 Apr 2019, Woolnough LT
Abstract: The girth of a graph is the minimal length of a cycle in the graph. Finding regular graphs with (...)
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May 2019
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Friday 03 |
16:00 - EVENT - Groups and Combinatorics Seminar: Emilio Pierro, 4pm May 3 in Weatherburn LT
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Speaker: Emilio Pierro (University of Western Australia)
Title: The 2-transitive permutation representation of the small Ree groups
Time and place: 4pm Friday 03 May 2019, Weatherburn LT
Abstract: Given a group G, the question of which subsets S of G generate G is (...)
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Friday 10 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Gordon Royle, 4pm May 10 in Weatherburn LT
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Speaker: Gordon Royle (University of Western Australia)
Title: From Lehman Matrices To (Im)Perfect Graphs
Time and place: 4pm Friday 10 May 2019, Weatherburn LT
Abstract: A pair (A,B) of square 0/1 matrices is called a Lehman pair if AB^T = J + k I where J is the (...)
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Friday 17 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Cheryl Praeger, 4pm May 17 in Weatherburn LT
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Speaker: Cheryl E Praeger (University of Western Australia)
Title: Limited geodesic transitivity for finite regular graphs
Time and place: 4pm Friday 17 May 2019, Weatherburn LT
Abstract: Joint work with Wei Jin.
For vertex transitive graphs, transitivity (...)
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Friday 24 |
16:30 - SEMINAR - Groups and Combinatorics Seminar: Alex Bors, 4pm May 24 in Weatherburn LT
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Speaker: Alex Bors (University of Western Australia)
Title: Words, permutations, and the nonsolvable length of a finite group
Time and place: 4pm Friday 24 May 2019, Weatherburn LT
Abstract:
In group theory, the term “word” denotes any concatenation of variables (...)
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June 2019
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Thursday 20 |
16:00 - VISITING SPEAKER - Mathematics and Statistics Colloquium : Penalizing control volatility in nonlinear optimal control
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Abstract:
Change is necessary in any dynamic environment, but there is always a cost incurred when implementing change; one of the most obvious is wear and tear on the physical components in a system. In the optimal control field, the cost of change is almost always ignored, and this can lead to “ (...)
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July 2019
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Thursday 18 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Hyperspheres in hyperspace
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What would a beach look like in a different universe? How would sand flow in 4 or 5 dimensions? At the crossroad of mathematics, physics, and engineering, this talk will develop the numerical and technological tools required to answer those questions. Following the Discrete Element Method (...)
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August 2019
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Friday 02 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Phill Schultz, 4pm Aug 2 in Weatherburn LT
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Speaker: Phill Schultz (University of Western Australia)
Title: Actions of Aut(V) on linearly independent subsets of a vector space V
Time and place: 4pm Friday 02 Aug 2019, Weatherburn LT
Abstract: Let V be a finite dimensional rational vector space. The action of (...)
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Thursday 22 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Convex surfaces of constant Gauss curvature and partially free boundaries
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Consider a pair of parallel planes in and a strictly convex closed curve laying on one of the planes. Is there a convex hypersurface of constant Gauss curvature such that it is trapped between the planes, the curve is on its boundary, and the surface strikes the other plane at given constant (...)
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Friday 23 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Hassan Alavi, 4pm Aug 23 in Weatherburn LT
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Speaker: Hassan Alavi (Buali Sina University, Iran)
Title: On transitive automorphism groups of 2-designs
Time and place: 4pm Friday 23 Aug 2019, Weatherburn LT
Abstract: A 2-design with parameters (v,k,lambda) is an incidence structure consisting of a set of v (...)
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Friday 30 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Carlisle King, 4pm Aug 30 in Weatherburn LT
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Speaker: Carlisle King (University of Western Australia)
Title: Edge-primitive 3-arc-transitive graphs
Time and place: 4pm Friday 30 Aug 2019, Weatherburn LT
Abstract: Let Gamma be a finite simple graph with G = Aut(Gamma). We say that Gamma is edge-primitive if G (...)
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September 2019
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Friday 13 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Dominik Bernhardt, 4pm Sep 13 in Weatherburn LT
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Speaker: Dominik Bernhardt (RWTH Aachen)
Title: Automorphism groups of simple graphs with few vertex-orbits
Time and place: 4pm Friday 13 Sep 2019, Weatherburn LT
Abstract:In this talk we will investigate how to construct automorphism groups of graphs with few (...)
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Thursday 19 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Mathematics and Suicide
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The Young Lives Matter Foundation (https://www.uwa.edu.au/institutes/young-lives-matter/home) aims to leverage research expertise across UWA to address the leading cause of death among 15- to 24-year olds in Western Australia. The foundation will address this aim by developing improved predictors (...)
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